/Engine/Source/Runtime/CoreUObject/Public/UObject/Object.h
Wrapper method for LoadConfig that is used when reloading the config data for objects at runtime which have already loaded their config data at least once. Allows the objects the receive a callback that its configuration data has been reloaded.
void ReloadConfig ( [UClass](API\Runtime\CoreUObject\UObject\UClass) * ConfigClass, const TCHAR * Filename, uint32 PropagationFlags, class [FProperty](API\Runtime\CoreUObject\UObject\FProperty) * PropertyToLoad )